Turn Lamp Resistor? (Scientific Type Peoples with Equations)

[Larry C Leung]

V = IR (V is volts, I is amps, R is resistance in ohms)

P = IV (P is power in Watts, all else the same) 

combine the equations

P = V*V / R   (V squared over R)

LL - NY

On Sat, 25 Aug 2001 15:52:55 -0400 "Alexander van Gerbig"
<Audi_80 at msn.com> writes:
>    It's about time to install the RS2 lights into the 90.  I have to 
>repair
>the harness a little, just extend the positive line and put a ring end 
>on
>it, nothing major, just a little fried.  Though I didn't save the 
>resistors
>I had used previously for the turn signals.  The stock corner bulbs 
>are 21W
>and the bulbs in the RS2 city lamps are 5W.  Looked around for 21W 
>push-in
>type bulbs to no avail to replace the 5W bulb in there.  So can 
>someone
>refresh me on what resistor I will need to get proper draw?  I don't
>remember the math on this one at all.
>
>Thanks!
>
>Alexander van Gerbig -- '90 90q20v -- '88 80t (R.I.P)
>
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